Peer Reviewed

Dermatology clinic

A teenage girl with hyperpigmented axillary skin

Andrew Lee, Gayle Fischer

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Abstract

Test your diagnostic skills in our regular dermatology quiz. How should this 14-year-old girl be investigated and what is the diagnosis?

Key Points

Case presentation

A 14-year-old girl presents with a history of skin changes, with progressive thickening and hyperpigmentation affecting both axillae (Figure) as well as her neck and groin. She is obese but appears otherwise healthy.